The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
ti gao kuang yong ya lun zuan tou de shou ming
Author(s): 
Pages: 50-51
Year: Issue:  4
Journal: Heat Treatment of Metals

Keyword:  热处理工艺矿用牙轮钻头牙爪牙轮钻机滚动体滚柱冲击压缩耐磨性平均使用寿命钢衬套;
Abstract: <正> 牙轮钻机是采掘工业中一种比较先进的钻具,其中钻头是易损件。我院对牙轮钻头的结构、选材和热处理工艺进行了一些改进,使其平均使用寿命从二百米提高到八百多米,最高达一千三百米。牙轮钻头由牙轮体、牙爪、衬套、滚珠、滚柱、止退块和塞销所组成。钻头在钻进过程中,牙爪和滚动体主要承受多次冲击压缩-接触疲劳负荷。同时,轴承受到岩渣的磨粒磨损作用,轴颈还受到弯矩的作用。其中牙
Related Articles
No related articles found